An adjustable spa jet water aerator is provided which is very compact, simple, inexpensive, and durable and which provides for easy separate adjustment of water and air flow therethrough. The aerator is directly securable within a spa wall. It comprises a housing defining water and air conduits disposed in side-by-side relation with a cylindrical passageway therebetween and extending perpendicular to the conduits. The passageway extends to the exterior of the housing at the front end thereof. The conduits have openings communicating with the base of the passageway through alignable openings in a pair of sleeves concentrically disposed for rotation in the passageway. Manual rotation of the sleeves individually controls the flow of water and air from the conduits. The inner sleeve defines an aerating chamber in the passageway. An eyeball type nozzle is disposed in the exit end of the aerating chamber and can include a rotatable restrictor ring for adjusting the flow of aerated water from the spa jet aerator.
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